Ever wonder what a pig looked like before humans started breeding them?

In this video you'll see five different types of animals. They're all very familiar. Some of them don't look SO different, but have doubled in size. Some have changed a whole lot, like the modern day sheep.

The animals you'll encounter are the sheep, pig, cow, chicken, and turkey.

While it's a little concerning when you see the evolutionary changes over the last 10,000 years caused by humans, I still can't pass up a nice steak, bacon, or chicken. There's a good chance that had we not gotten involved in breeding these animals, we wouldn't have such deliciousness.

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